آزمون آنلاین۲ زبان انگلیسی عمومی

The findings completely establish a causal relationship between the variables.

The findings provide no information about the relationship between the variables.

The findings are not sufficient to prove that one variable causes the other.

The findings demonstrate that the two variables are completely unrelated.

A theory becomes permanently valid when it explains a large number of observations.

Scientific theories should be revised whenever researchers obtain any new information.

Critical evaluation of evidence is an essential part of scientific progress.

Established theories should generally be protected from findings that contradict them.